Bed



FIG. 1 is a perspective view of a bed showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof; and,

FIG. 4 is a right-side view thereof, the left-side view being a mirror image.

The broken line showing of slats and a support leg is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bed, as shown and described. 